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Beijing-based artist Liu Bolin disappears into his works, silently making bold statements about consumerism, mass culture — even the Chinese government. See a gallery of previously unpublished works.

Born and raised in Seoul, Suki Kim posed as an English teacher at an all-male university in Pyongyang run by evangelical Christians; she spent six months teaching the 19-year-old sons of North Korea’s ruling class. In this excerpt from her book, she describes the experience.

Many young people are turning to pornography for information. With this reality comes an opportunity: We can utilize it to start important conversations with them about sex and relationships, says public health researcher Emily Rothman.

TED讲台上众多演讲者从不同角度深入探讨了气候变化这一紧迫议题。本文精选了18场TED演讲组成终极气候变化播放列表，并附有视频预告，带你领略其中必看的精彩内容，帮助人们在海量信息中聚焦真正重要的事。

扎克·易卜拉欣是一名恐怖分子的儿子，菲利斯·罗德里格斯在9/11事件中痛失爱子。两人在这场对话中分享了各自被暴力摧毁、又凭借宽容与共情重新走出阴霾的人生历程，令人深受触动。

iO Tillett Wright is currently 5,519 portraits into a mission to point out that we’re all, at heart, the same. Her goal: to photograph 10,000 people around the United States who identify as being something other than 100% heterosexual. Here’s just a small sample of her powerful photographs.

Early one morning, hours before the sun would rise, Lebanese-Egyptian artist, activist and historian Bahia Shehab was alone on the streets of Cairo. Read about the stenciled message she left as her part in the revolution.

Human beings have made enormous changes to Earth, reshaping it, developing it and generally altering it so much that in many cases its pre-human condition has become unrecognizable. In this far-ranging conversation, ecologist Erle Ellis and landscape architect Bradley Cantrell discuss what this means for ecology and architecture … and how we might think about protecting our planet.

金·斯坦利·罗宾逊曾被《时代》杂志评为”环境英雄”，本文节选自其科幻小说《2312》，描绘了300年后清洁技术彻底失败后的地球景象，以及从低轨道俯瞰这颗满目疮痍星球时的深沉悲凉。

Researchers and academics around the world are in the crosshairs of an assault on the worth of the scientific method. Here’s how to stand up for science.